Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9509c1e5713f1cacd3db2422c385592c08712ca4b9c3ad45b1c8b8a07f418877:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^